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From: Jeff King <peff@peff.net>
To: Jonathan Tan <jonathantanmy@google.com>
Cc: git@vger.kernel.org
Subject: Re: [PATCH 12/17] delta-islands: convert island_marks khash to use oids
Date: Thu, 20 Jun 2019 14:29:58 -0400	[thread overview]
Message-ID: <20190620182957.GD18704@sigill.intra.peff.net> (raw)
In-Reply-To: <20190620173823.23374-1-jonathantanmy@google.com>

On Thu, Jun 20, 2019 at 10:38:23AM -0700, Jonathan Tan wrote:

> > @@ -154,7 +154,7 @@ static struct island_bitmap *create_or_get_island_marks(struct object *obj)
> >  	khiter_t pos;
> >  	int hash_ret;
> >  
> > -	pos = kh_put_sha1(island_marks, obj->oid.hash, &hash_ret);
> > +	pos = kh_put_oid_map(island_marks, obj->oid, &hash_ret);
> 
> Thanks for doing this cleanup. The entire series (17 patches) look good
> to me. The only remotely surprising thing to me was that OIDs are passed
> by value on the stack, both for kh_get_oid_map() and kh_put_oid_map(),
> but I see that this is how things currently work (and anyway, changing
> this is beyond the scope of this patch set).

Thanks for reviewing. Yeah, the pass-by-value surprised me too, as it's
been a while since I've had to touch khash. I think it all cancels out
performance-wise because of the inlining, but it might be a fun thing to
experiment with.

-Peff

  reply	other threads:[~2019-06-20 18:30 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-15 10:06 [PATCH v4 0/4] Test oidmap Christian Couder
2019-06-15 10:06 ` [PATCH v4 1/4] t/helper: add test-oidmap.c Christian Couder
2019-06-15 10:07 ` [PATCH v4 2/4] t: add t0016-oidmap.sh Christian Couder
2019-06-15 10:07 ` [PATCH v4 3/4] oidmap: use sha1hash() instead of static hash() function Christian Couder
2019-06-15 10:07 ` [PATCH v4 4/4] test-hashmap: remove 'hash' command Christian Couder
2019-06-19 21:42 ` [PATCH v4 0/4] Test oidmap Jeff King
2019-06-19 22:09   ` Jeff King
2019-06-19 22:25     ` Christian Couder
2019-06-20  7:39   ` [PATCH 0/17] drop non-object_id hashing Jeff King
2019-06-20  7:40     ` [PATCH 01/17] describe: fix accidental oid/hash type-punning Jeff King
2019-06-20 16:32       ` Junio C Hamano
2019-06-20 18:25         ` Jeff King
2019-06-20  7:40     ` [PATCH 02/17] upload-pack: rename a "sha1" variable to "oid" Jeff King
2019-06-20  7:40     ` [PATCH 03/17] pack-bitmap-write: convert some helpers to use object_id Jeff King
2019-06-20  7:41     ` [PATCH 04/17] pack-objects: convert packlist_find() " Jeff King
2019-06-20  7:41     ` [PATCH 05/17] pack-objects: convert locate_object_entry_hash() to object_id Jeff King
2019-06-20  7:41     ` [PATCH 06/17] object: convert lookup_unknown_object() to use object_id Jeff King
2019-06-20  7:41     ` [PATCH 07/17] object: convert lookup_object() " Jeff King
2019-06-20  7:41     ` [PATCH 08/17] object: convert internal hash_obj() to object_id Jeff King
2019-06-20  7:41     ` [PATCH 09/17] object: convert create_object() to use object_id Jeff King
2019-06-20 14:21       ` Ramsay Jones
2019-06-20 18:23         ` Jeff King
2019-06-20  7:41     ` [PATCH 10/17] khash: drop broken oid_map typedef Jeff King
2019-06-20  7:41     ` [PATCH 11/17] khash: rename kh_oid_t to kh_oid_set Jeff King
2019-06-20  7:41     ` [PATCH 12/17] delta-islands: convert island_marks khash to use oids Jeff King
2019-06-20 17:38       ` Jonathan Tan
2019-06-20 18:29         ` Jeff King [this message]
2019-06-20  7:41     ` [PATCH 13/17] pack-bitmap: convert khash_sha1 maps into kh_oid_map Jeff King
2019-06-20  7:41     ` [PATCH 14/17] khash: drop sha1-specific map types Jeff King
2019-06-20  7:41     ` [PATCH 15/17] khash: rename oid helper functions Jeff King
2019-06-20 17:44       ` Junio C Hamano
2019-06-20 18:27         ` Jeff King
2019-06-23 16:00           ` René Scharfe
2019-06-23 22:46             ` Jeff King
2019-06-20  7:41     ` [PATCH 16/17] hash.h: move object_id definition from cache.h Jeff King
2019-06-20 17:41       ` Junio C Hamano
2019-06-20  7:41     ` [PATCH 17/17] hashmap: convert sha1hash() to oidhash() Jeff King

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